Ignition timer for internal-combustion engines



Dec. 28 @1926.

A. MAJERNIK ET AL IGNITION TIMER FOR INTERNKL COMBUSTION ENGINES Filed Jan. 25. 1923 Patented Dec. 28, 1926. 1,612,339

.AKOS MAJERNIK AND CHARLES MAJERNIK, OF KNOXVILLE, TENNESSEE.

' IGNITION TIMER FOR INTERNAL-COMBUSTION ENGINES.

Application filed January 25, 1923. Serial No. 614,792.

This invention relates generally to inter" at one end to the cam shaft 4% and having nal combustion engines. having more parfixed to its opposite end a block 63 cariying tienlar reference to an internal combustion a hall (3 1: which is pressed outwardly tLQ'tLlDSl engine intended more particularly for use the ring 56 by said spring. The hloek 6 is 40 5 on motorcycles and having a nun'iher of cylradially slidalile in a recess (35 formed in a inders arranged at a angle to one another collar (36 fixed to the cam shaft. To vary around a common centre. the timing the ring may be given a rotary For further comprehension of the invenmoven'ient by an arm (57 fixed thereto tion and of the objects and advantages t-here connected with an o 'ierating handle, not 4 10 of, reference will he had to the following deshown.

scription and. accompanying drawin 's, and Having thus described our invention what to the appended claims in which the various we claim as new and desire to protect by novel features of the 1nvent1on are more par- Letters Patent of the United States is as ticularly set forth. follows: 50 15 Fig. 1 of the drawings is an axial vertical 1. In an internal coinhustioi'i engine v timsectional View of a motorcycle engine with in means comprising a rotary shaft, a shifteur timer applied thereto. able ring; surrounding said shaft a series of Fig. 2 is detail face View of the ignition contacts carried by said ring, a flat spring timer. fixed at one end to said shaft, a recessed col- 2' l ig. t3 a transverse vertical section on lar on said shaft, a block radially slidahle in the line 3-P3 of Fig. 2. the recess of said collar, and a hall carried The spark timing device shown in detail by said block and pressed outwardly against in Fi 2 and 23 and C(HHPIiSQH a, cylindrical said ringby said spring. offset :35 from the casing element 42 coaxial In an internal combustion engine timto one of the cam shaft-s 44:. Rotatable in inn means comprising; a. rotary shaft. a shiftthis o'l'li'set is a thick metal rin; 56 formed ahle ring surrounding said shaft a series of with an annular groove in its outer end face contacts carried by said ring, flat: spring to receive an insulating ring; 57. This latter fixed at one end to said shaft, a block mountring has three bosses on its inner Wall ed on the o iiposite end of said spring. and a 6 which project through. openings in the inner hall seated in a recess in said block and press- 'all of the groove in ring so and are flush ing against said ring. with the inner faces of the latter. Set into In testimony whereof we have affixed our these hosses are screws 59 having hindine signatures. nuts (ill on their projecting outer ends to receive the lead wires. The return is ground AKOS lVlAJltlR-NIK.

ed to the engine a ttat spring (52 being fixed CHARLES Mild ERNlK. 

